2,561,426

2 × 7² × 59 × 443

2,561,426 factors as 2 × 7^2 × 59 × 443. Its 24 positive divisors give a proper-divisor sum of 1,994,014, so this integer is deficient. The Collatz stopping time is 73 steps.

Prime Factor Structure

Factorization String 2 × 7^2 × 59 × 443

Distinct Prime Factors 4

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 4,555,440

Proper Divisor Sum 1,994,014

Digit Sum / Digital Root 26 (Root: 8)

Adjacent Primes #2561423 ← → #2561431

Radix Representation

Decimal	2561426
Binary	1001110001010110010010 (22 bits)
Octal	0o11612622
Hexadecimal	0x271592

Divisor Catalog (24)

Collatz Trajectory (73 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,561,426 1,280,713 3,842,140 1,921,070 960,535 2,881,606 1,440,803 4,322,410 2,161,205 6,483,616 3,241,808 1,620,904 810,452 405,226 202,613 607,840 303,920 151,960 75,980 37,990 18,995 56,986 28,493 85,480 42,740 21,370 10,685 32,056 16,028 8,014 4,007 12,022 6,011 18,034 9,017 27,052 13,526 6,763 20,290 10,145 30,436 15,218 7,609 22,828 11,414 5,707 17,122 8,561 25,684 12,842 6,421 19,264 9,632 4,816 2,408 1,204 602 301 904 452

More profiles

Browse other published profiles and their separate link collections.

No other profiles in this collection.

← Previous Integer #2,561,425 Browse Full Index Next Integer #2,561,427 →